Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2011	Jan	33	49
2011	Feb	31	43
2011	Mar	35	49
2011	Apr	45	50
2011	May	30	33
2011	Jun	44	61
2011	Jul	36	41
2011	Aug	36	42
2011	Sep	35	40
2011	Oct	36	51
2011	Nov	47	59
2011	Dec	37	53
2011	all	388	571